Simplify the expression: sin(θ + 30°) + cos(θ + 60°). Prove the identity: tan ½θ + cot ½θ = 2 csc θ Represent as a product: cos 80° - cos 20°
Simplify the expression: sin(θ + 30°) + cos(θ + 60°). Prove the identity: tan ½θ + cot ½θ = 2 csc θ Represent as a product: cos 80° - cos 20°
Trigonometry (MindTap Course List)
8th Edition
ISBN:9781305652224
Author:Charles P. McKeague, Mark D. Turner
Publisher:Charles P. McKeague, Mark D. Turner
Chapter6: Equations
Section: Chapter Questions
Problem 26CLT: Rewrite the expression 4sin7xcos3x as a sum or difference, then simplify if possible.
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Simplify the expression: sin(θ + 30°) + cos(θ + 60°).
Prove the identity: tan ½θ + cot ½θ = 2 csc θ
Represent as a product: cos 80° - cos 20°
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